Year	Dollars
1992-01-01	13352741
1997-01-01	27562903
2002-01-01	12524635
2003-01-01	12536381
2004-01-01	22898109
2005-01-01	28678492
2006-01-01	29435389
2007-01-01	42094710
2008-01-01	61403033
2009-01-01	39961222
2010-01-01	52501993
2011-01-01	78706202
2012-01-01	83506972
2013-01-01	133827016
2014-01-01	168257975
2015-01-01	167599637
2016-01-01	185346684